diff --git a/du4/program.c b/du4/program.c
index 2272dd8..8df0f6e 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -18,6 +18,7 @@ char multi(double A, double B, double C,char AC){
 }
 char divi(double A, double B, double C,char AC){
     float CC=A/B;
+  	long double CCC=A/B;
     if(CC==C || A/B==C)return printf("OK\n");
     return printf("ZLE\n"); 
 }