The numbers on the three sportswear are 1, 2, and 3, and A, B, and C each wear one. Now there are 25 small balls, firstly send 1 ball to A, 2 balls to B, and 3 balls to C. It is stipulated that 3 people take the balls from the remaining balls once each. Among them, the person wearing No. 1 uniform takes 1 times the number of balls in his hands, the person wearing No. 2 clothes takes 3 times the number of balls in his hands, and the person wearing No. 3 clothes Take 4 times the number of balls in his hand, and there are two balls left after taking them away. So, what is the number of the sportswear worn by A?
3件运动衣上的号码分别是1，2，3，甲、乙、丙3人各穿一件．现在25个小球，首先发给甲1个球，乙2个球，丙3个球．规定3人从余下的球中各取球一次，其中穿1号衣的人取他手中球数的1倍，穿2号衣的人取他手中球数的3倍，穿3号衣的人取他手中球数的4倍，取走之后还剩下两个球．那么，甲穿的运动衣的号码是多少？
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