#include

#include

int reverse(int value);

void main()

{

int a,value;

scanf(＂%d＂,&value);

a=reverse(value);

printf(＂\n%d＂,a);

}

int reverse(int value)

{

if(value == 0)

{

return 0;

}

int len = 0;

int c = value % 10;

int other = c;

if(value >= 10)

{

int tmp = value;

while(tmp / 10 > 10)

{

tmp /= 10;

len++;

}

other = (int) (c * pow(10, len + 1));

}

return other + reverse(value / 10);

}