#include <stdio.h>
#include <stdint.h>
void to_lowercase(char *str) {
// Your logic here
uint8_t read = 0 ;
while(str[read] != '\0')
{
if(str[read] >=65 && str[read] <= 90)
{
str[read] = (uint8_t)str[read] +32;
}
read++;
}
}
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;
}