diff --git a/du4/program.c b/du4/program.c
index 1ab1049..7549de4 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -5,24 +5,19 @@
 
 char add(double A, double B, double C,char AC){
     if(A+B==C)return printf("OK\n");
-    printf("%lf",A+B);
     return printf("ZLE\n"); 
 }
 char subtr(double A, double B, double C,char AC){
     if(A-B==C)return printf("OK\n");
-    printf("%lf",A-B);
     return printf("ZLE\n"); 
 }
 char multi(double A, double B, double C,char AC){
     if(A*B==C)return printf("OK\n");
-    printf("%lf",A*B);
     return printf("ZLE\n"); 
 }
 char divi(double A, double B, double C,char AC){
     float CC=A/B;
-    printf("%f",CC);
     if(CC==C || A/B==C)return printf("OK\n");
-    printf("%lf",A/B);
     return printf("ZLE\n"); 
 }