#include <stdio.h>
#include <stdlib.h>

#define nMax  50
int vf = 0, st_x[nMax], st_y[nMax];

void push(int x, int y) {
	if (vf == nMax) {
		printf("stiva plina");
	}
	else {
		vf++;
		st_x[vf] = x;
		st_y[vf] = y;

	}
}



void printStack() {
	int i;
	for (i = vf; i > 0; i--)
		printf("%d %d \n", st_x[i], st_y[i]);
	printf("\n");
}

int main() {

	int x = 2, y = 1;
	push(x, y);
	do {
		printStack();
		if (st_x[vf] == 0) {
			vf--;
			--st_x[vf];
			st_y[vf] = st_y[vf + 1] + 1;
		}
		else if (st_y[vf] == 0) {
			st_x[vf]--;
			st_y[vf] = 1;
		}
		else
			push(st_x[vf], st_y[vf] - 1);



	} while (vf);
	printf("Rezultatul este: %d ", st_y[0]);
	system("pause");
	return 0;

}