int main()

{ int x = 7； /* According to the meaning of the question, X is an odd number, which is a multiple of 7, so every step can cross 14 and make a cycle */

while(x%3！ =2||x%5！ =4||x%6！ =5)/* The other three conditions are cyclic conditions */

x = x+ 14；

printf("%d\n "，x)；

}

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