diff --git a/src/main/c/BasicMode.c b/src/main/c/BasicMode.c
index a9ea1f8..fa617f9 100644
--- a/src/main/c/BasicMode.c
+++ b/src/main/c/BasicMode.c
@@ -33,7 +33,7 @@ long long int BinToDec(long long int n) {
     return  dec;
 }
 //addition
-long long int addition(long long int a, long long int b) {
+long long int additionbin(long long int a, long long int b) {
     long long int dec1, dec2;
     dec1 = BinToDec(a);
     dec2 = BinToDec(b);
@@ -43,7 +43,7 @@ long long int addition(long long int a, long long int b) {
     return dec2;
 }
 // multiplication
-long long int multiplication(long long int a, long long int b) {
+long long int multiplicationbin(long long int a, long long int b) {
     long long int dec1, dec2;
     dec1 = BinToDec(a);
     dec2 = BinToDec(b);
@@ -53,7 +53,7 @@ long long int multiplication(long long int a, long long int b) {
     return dec2;
 }
 //subtraction
-long long int subtraction(long long int a, long long int b) {
+long long int subtractionbin(long long int a, long long int b) {
     long long int dec1, dec2;
     dec1 = BinToDec(a);
     dec2 = BinToDec(b);
@@ -99,7 +99,7 @@ int main() {
                     scanf("%lld", &bin1);
                     printf("enter the second binary number: ");
                     scanf("%lld", &bin2);
-                    result = addition(bin1, bin2);
+                    result = additionbin(bin1, bin2);
 
                     printf("%lld+%d = %lld\n", bin1, bin2, result);
                     break;
@@ -108,7 +108,7 @@ int main() {
                     scanf("%lld", &bin1);
                     printf("enter the second binary number: ");
                     scanf("%lld", &bin2);
-                    result = subtraction(bin1, bin2);
+                    result = subtractionbin(bin1, bin2);
 
                     printf("%lld-%lld = %lld\n", bin1, bin2, result);
                     break;
@@ -117,7 +117,7 @@ int main() {
                     scanf("%lld", &bin1);
                     printf("enter the second binary number: ");
                     scanf("%lld", &bin2);
-                    result = multiplication(bin1, bin2);
+                    result = multiplicationbin(bin1, bin2);
 
                     printf("%lld*%d = %lld\n", bin1, bin2, result);
                     break;