# include <stdio.h>
void myToUpper(char s[]){
int i;
for(i=0;s[i] != '\0';i++){
if('a' <= s[i] && s[i] <= 'z'){
s[i] = s[i] - 32;
}
}
return;
}
int main(){
char s[100];
myToUpper(s);
return 0;
}
IyBpbmNsdWRlIDxzdGRpby5oPgoKdm9pZCBteVRvVXBwZXIoY2hhciBzW10pewogICAgaW50IGk7CiAgICBmb3IoaT0wO3NbaV0gIT0gJ1wwJztpKyspewogICAgICAgIGlmKCdhJyA8PSBzW2ldICYmIHNbaV0gPD0gJ3onKXsKICAgICAgICAgICAgc1tpXSA9IHNbaV0gLSAzMjsKICAgICAgICB9CiAgICB9CiAgICByZXR1cm47Cn0KCmludCBtYWluKCl7CiAgICBjaGFyIHNbMTAwXTsKICAgIHNjYW5mKCIlcyIscyk7CiAgICBwcmludGYoIiVzIC0+ICIscyk7CiAgICBteVRvVXBwZXIocyk7CiAgICBwcmludGYoIiVzXG4iLHMpOwogICAgcmV0dXJuIDA7Cn0K