#include<bits/stdc++.h>
using namespace std;
inline int read(){int s=0,f=1;char c=getchar();while(c<'0'||c>'9'){if(c=='-')f*=-1;c=getchar();}while(c>='0'&&c<='9')s=(s<<1)+(s<<3)+(c^48),c=getchar();return s*f;}
const int N=1e5+10;
int n,last0,last1,num,tot,ans[N<<2];
char a[N];
int main(){
    scanf("%s",a+1),n=strlen(a+1),num=0;
    for(int i=n;i;--i)
        if(a[i]=='a'&&!last0)last0=i;
        else if(a[i]=='b'&&!last1)last1=i;
    for(int l=1;l<=n;++l){
        int r=l;++num/*段数*/;
        while(a[l]==a[r+1])++r;
        if(l==1&&a[l]=='a')ans[++tot]=2;//交换0和1
        int opt=0;
        if((a[l]=='a'&&r==last0)||(a[l]=='b'&&r==last1))opt=1;
        for(int i=l;i<=r-opt;++i)ans[++tot]=1;//copy
        for(int i=l;i<r;++i)ans[++tot]=4;//fuse
        if(r==n)break;
        if(l!=r||r==last0||r==last1)ans[++tot]=2;//swap
        l=r;
        if(r==last0||r==last1)continue;
        ans[++tot]=3;//roll
    }
    for(int i=1;i<num;++i)ans[++tot]=4;//fuse
    printf("%d\n",tot);
    for(int i=1;i<=tot;++i)
        if(ans[i]==1)printf("copy\n");
        else if(ans[i]==2)printf("swap\n");
        else if(ans[i]==3)printf("roll\n");
        else printf("fuse\n");
    return 0;
}