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0_0_29445884_13901.cpp:1:90: fatal error: GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stdio.h>in: Invalid argument
 #include<stdio.h>int main{double a;while(scanf("%lf",&a)!=EOF)printf("%lf\n",a>=0?a:-a);}
                                                                                          ^
compilation terminated.