def p_tri(x):
    if x == 0:
        return []
    elif x == 1:
        return [[1]]
    else:
        newrow = [1]
        pyr = p_tri(x-1)
        lastrow = pyr[-1]
        cnt = len(lastrow)-1
        rcs(lastrow, newrow, cnt)
        newrow += [1]
        pyr.append(newrow)
    return pyr

def rcs(lastrow, newrow, cnt):
    if cnt == 0:
        return newrow
    else:
        newrow.append(lastrow[cnt-1] + lastrow[cnt])
        return rcs(lastrow, newrow, cnt-1)

x = input("Enter a number: ")
x = int(x)

if 0 <= x <= 10:
    n = p_tri(x)
    print(*n, sep="\n")
else:
    print("no ser.")