include <stdio.h>

int main() {

int a, b, n, m;
a = 1;
n = 1;
scanf("%d", &m);
while (a <= m) {
	b = 1;
	while (b <= n) {
		printf("*");
		b++;
	}
	printf("\n");
	a++;
	n++;
}
return 0;

}

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