diff --git a/src/addition.c b/src/addition.c
index ca1d9ed..afa0ea4 100644
--- a/src/addition.c
+++ b/src/addition.c
@@ -28,6 +28,11 @@ unsigned int s(unsigned int a) {
     return a >> 31;
 }
 
+unsigned int m(unsigned int a) {
+    unsigned int num = 8388607;
+    return (a & num);
+}
+
 float addition_float(float a, float b) {
     return 0.0;
 }
\ No newline at end of file
diff --git a/src/addition.h b/src/addition.h
index 80ede14..66497e0 100644
--- a/src/addition.h
+++ b/src/addition.h
@@ -9,6 +9,8 @@ unsigned int addition(num a, num b);
 
 unsigned int s(unsigned int a);
 
+unsigned int m(unsigned int a);
+
 float addition_float(float a, float b);
 
 #endif // ADDITION_H