# include <stdio.h>
void myToUpper(char s[]){
int i;
for(i=0; s[i]!='\0'; i++){
if(s[i]>='a'&&'z'>=s[i]){
s[i] -= 'a' - 'A';
}
}
}
int main(){
char s[100];
myToUpper(s);
return 0;
}
IyBpbmNsdWRlIDxzdGRpby5oPgoKdm9pZCBteVRvVXBwZXIoY2hhciBzW10pewoJaW50IGk7Cglmb3IoaT0wOyBzW2ldIT0nXDAnOyBpKyspewoJCWlmKHNbaV0+PSdhJyYmJ3onPj1zW2ldKXsKCQkJc1tpXSAtPSAnYScgLSAnQSc7CgkJfQoJfQoKfQoKaW50IG1haW4oKXsKICAgIGNoYXIgc1sxMDBdOwogICAgc2NhbmYoIiVzIixzKTsKICAgIHByaW50ZigiJXMgLT4gIixzKTsKICAgIG15VG9VcHBlcihzKTsKICAgIHByaW50ZigiJXNcbiIscyk7CiAgICByZXR1cm4gMDsKfQo=