diff --git a/du4/program b/du4/program
index 18bfcf1..bbcaec8 100755
Binary files a/du4/program and b/du4/program differ
diff --git a/du4/program.c b/du4/program.c
index 99281b6..ecaa58b 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -105,6 +105,9 @@ int main(){
           msum=values[2];
           if(operation=='+'){
                         rsum=values[0]+values[1];
+                        char rmsum[50];
+                        sprintf(rmsum, "%.2f", msum);
+                        msum = atof(rmsum);                        
                         if(msum==rsum){
                           printf("OK\n");
                         }
@@ -115,6 +118,9 @@ int main(){
           } 
           else if(operation=='-'){
                         rsum=values[0]-values[1];
+                        char rmsum[50];
+                        sprintf(rmsum, "%.2f", msum);
+                        msum = atof(rmsum);
                         if(msum==rsum){
                           printf("OK\n");
                         }
@@ -125,6 +131,9 @@ int main(){
           }
           else if(operation=='*'){
                         rsum=values[0]*values[1];
+                        char rmsum[50];
+                        sprintf(rmsum, "%.2f", msum);
+                        msum = atof(rmsum);
                         if(msum==rsum){
                           printf("OK\n");
                         }
@@ -135,6 +144,9 @@ int main(){
           }
           else if(operation=='/'){
                         rsum=values[0]/values[1];
+                        char rmsum[50];
+                        sprintf(rmsum, "%.2f", msum);
+                        msum = atof(rmsum);
                         if(msum==rsum){
                           printf("OK\n");
                         }