import sys values = sys.stdin.readline().strip().split() np = int(values[0]) nq = int(values[1]) nr = int(values[2]) def countWays(p ,q, r, last): if p < 0 or q < 0 or r < 0: return 0 if p == 1 and q == 0 and r == 0 and last == 0: return 1 if p == 0 and q == 1 ...