#include <stdio.h>

int main ( ) {
	int n;
	char c;
	while (1) {
		/* Translate a new line to decimal.
		   Assume that the only characters on the line are zeroes and ones. */
		n = 0;
		c = getchar ( );
		if (c == EOF) {
			break;
		}
		while (c == '1' || c == '0') {
			/* The missing statement goes here. */
			c = getchar ( );
		}
		printf ("in decimal is %d\n", n);
	}
	return 0;
}