#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

char*mmap();
#define RD(v) int v=0;{int _t;while(_t=*rp++-48,_t>=0)v=v*10+_t;}

char wbuf[12<<10];

main(){
	char*rp=mmap(0l,1l<<20,1,2,0,0ll);
	char*wp=wbuf;
	while(*rp++!=10);
	do{
		int g=0,w=0,x=0,f=0;
		int c;
		while(c=*rp++,c!=10){
			if(c=='W') x=1,++w;
			if(c=='G') x=0,++g,f|=--w;
			if(c=='R') f|=--g;
		}
		if(f<0|x|g) *(int*)wp='mi', wp+=2;
		*(long*)wp=(long)'ssop'|(long)'elbi'<<32;
		wp+=8;
		*wp++=10;
	}while(*rp);
	write(1,wbuf,wp-wbuf);
}