diff --git a/du1/program.c b/du1/program.c
index 8771d35..e1d516d 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -1,24 +1,17 @@
 #include <stdio.h>
 
 int main(){
-	int c = 1;
-	int a = 0;
-	int b = 0;
-	char small[] = "abcdefghijklmnopqrstuvwxyz";
-	char big[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-	while(c = 1){
+	int c = 0;
+	int big;
+	char d;
+	while( c != EOF){
 		c = getchar();
-		while(a < 26){
-			if(c == small[a]){
-				c = big[a];
-				break;
-			}else if(c == big[a]){
-				c = small[a];
-				break;
-			}
+		if (c >= 'a' && c <= 'z'){
+			big = c - 'a' + 'A';
+			d = big;
+			c = d;
 		}
-	b++;
+		putchar (c);
 	}
-	printf("Vot = %d and vot = %d\n", a, b);
 	return 0;
 }