Case #1: 3
Case #2: 0
Case #3: IMPOSSIBLE
Case #4: 500
Case #5: 64
Case #6: IMPOSSIBLE
Case #7: IMPOSSIBLE
Case #8: IMPOSSIBLE
Case #9: 999
Case #10: 212
Case #11: IMPOSSIBLE
Case #12: 51
Case #13: IMPOSSIBLE
Case #14: IMPOSSIBLE
Case #15: 89
Case #16: 3
Case #17: IMPOSSIBLE
Case #18: 2
Case #19: 1
Case #20: 4
Case #21: IMPOSSIBLE
Case #22: 30
Case #23: IMPOSSIBLE
Case #24: IMPOSSIBLE
Case #25: 16
Case #26: 3
Case #27: IMPOSSIBLE
Case #28: 9
Case #29: IMPOSSIBLE
Case #30: IMPOSSIBLE
Case #31: IMPOSSIBLE
Case #32: 75
Case #33: IMPOSSIBLE
Case #34: 92
Case #35: 0
Case #36: 0
Case #37: IMPOSSIBLE
Case #38: IMPOSSIBLE
Case #39: 500
Case #40: 5
Case #41: IMPOSSIBLE
Case #42: IMPOSSIBLE
Case #43: 1
Case #44: IMPOSSIBLE
Case #45: IMPOSSIBLE
Case #46: 224
Case #47: 8
Case #48: 17
Case #49: IMPOSSIBLE
Case #50: IMPOSSIBLE
Case #51: 135
Case #52: IMPOSSIBLE
Case #53: 1
Case #54: IMPOSSIBLE
Case #55: IMPOSSIBLE
Case #56: 50
Case #57: 147
Case #58: IMPOSSIBLE
Case #59: 397
Case #60: 29
Case #61: 11
Case #62: 161
Case #63: IMPOSSIBLE
Case #64: IMPOSSIBLE
Case #65: 5
Case #66: IMPOSSIBLE
Case #67: 998
Case #68: 500
Case #69: IMPOSSIBLE
Case #70: 132
Case #71: IMPOSSIBLE
Case #72: IMPOSSIBLE
Case #73: IMPOSSIBLE
Case #74: 2
Case #75: IMPOSSIBLE
Case #76: IMPOSSIBLE
Case #77: 25
Case #78: IMPOSSIBLE
Case #79: 1
Case #80: IMPOSSIBLE
Case #81: IMPOSSIBLE
Case #82: 0
Case #83: IMPOSSIBLE
Case #84: IMPOSSIBLE
Case #85: 250
Case #86: 333
Case #87: IMPOSSIBLE
Case #88: 9
Case #89: IMPOSSIBLE
Case #90: IMPOSSIBLE
Case #91: 68
Case #92: 355
Case #93: 15
Case #94: IMPOSSIBLE
Case #95: IMPOSSIBLE
Case #96: 50
Case #97: IMPOSSIBLE
Case #98: 1
Case #99: IMPOSSIBLE
Case #100: 1