Untitled

// 18 MEI

#include <stdio.h>

int main()
{
    double input, output;
    double re_int = 0, re_float = 0;
    int INT, digit = 0;
    double FLOAT;

    scanf("%lf", &input);
    INT = (int)input;
    FLOAT = input - INT;

    while (INT > 0) {
        re_int = re_int * 10 + (INT % 10);
        INT /= 10;
        digit++;
    }
    while (digit < 6) {
        FLOAT *= 10;
        re_float = (re_float + (int)FLOAT) * 0.1;
        FLOAT = FLOAT - (int)FLOAT;
        digit++;
    }
    output = input + re_int + re_float;
    printf("%.3lf\n", output);

    return 0;
}