#include <stdio.h>
#include <stdint.h>
void to_lowercase(char *str) {
// Your logic here
int count = 0;
while(str[count] != '\0'){
char ch = str[count];
if(ch >= 'A' && ch <= 'Z')
str[count] += 32;
count++;
}
}
int main() {
char str[101];
fgets(str, sizeof(str), stdin);
// Remove newline
uint8_t i = 0;
while (str[i]) {
if (str[i] == '\n') {
str[i] = '\0';
break;
}
i++;
}
to_lowercase(str);
printf("%s", str);
return 0;
}