#include <stdio.h>
 
int main() {
    int num;
    scanf("%d", &num);
 
    int is_negative = 0;
 
    if (num < 0) {
        is_negative = 1;
        num = -num; // Make it positive for reversal
    }
 
    int r, rev = 0;
 
    while (num != 0) {
        r = num % 10;
        rev = rev * 10 + r;
        num = num / 10;
    }
 
    if (is_negative) {
        rev = -rev; // Add negative sign back
    }
 
    printf("%d\n", rev);
    return 0;
}
 

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CiAwCi0xMjMKMTAwMA==

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