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| inline __int128 read(){ __int128 x=0,f=1; char ch=getchar(); while(ch<'0'||ch>'9'){ if(ch=='-') f=-1; ch=getchar(); } while(ch>='0'&&ch<='9'){ x=x*10+ch-'0'; ch=getchar(); } return x*f; }
inline void print(__int128 x){ if(x<0){ putchar('-'); x=-x; } if(x>9) print(x/10); putchar(x%10+'0'); }
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